Town Profile 1 postcode area
Seaham
County Durham · 15,565 properties sold since 1995
Postcodes: SR7
Average Property Value
£181,718
↑ 1.1% YoY
£181,718
Average
£110,000
Median
£1k
Lowest
£18.4M
Highest
Price Trend
£124k £155k
Property Types
Terraced 47%
Semi-Detached 30%
Detached 19%
Flat 3%
Other 2%
15,565 total sales across 5 property types
Market Summary
£73k
Lower Quartile
£110k
Median
£175k
Upper Quartile
Price Distribution £1k – £18.4M
Yearly Price History
| Year | Average | Median | Sales | Change |
|---|---|---|---|---|
| 2026 (YTD) | £122,238 | £109,500 | 161 | ↓ 21.4% |
| 2025 | £155,424 | £110,000 | 526 | ↑ 1.1% |
| 2024 | £153,751 | £115,000 | 567 | ↑ 19.1% |
| 2023 | £129,060 | £96,000 | 432 | ↓ 10.8% |
| 2022 | £144,694 | £100,000 | 566 | ↓ 30.3% |
| 2021 | £207,589 | £112,500 | 705 | ↓ 34.3% |
| 2020 | £316,012 | £110,000 | 482 | ↑ 117.0% |
| 2019 | £145,642 | £110,000 | 533 | ↑ 30.3% |
| 2018 | £111,776 | £94,000 | 502 | ↓ 12.9% |
| 2017 | £128,349 | £90,250 | 520 | ↑ 3.8% |
| 2016 | £123,686 | £90,000 | 419 | ↓ 47.0% |
| 2015 | £233,415 | £86,000 | 411 | — |
Postcode Areas in Seaham
Seaham covers 1 postcode district. Click any area for detailed property data, schools, crime stats, and demographics.
Useful guides
Source: HM Land Registry Price Paid Data · Crown copyright 2026 · Open Government Licence v3.0